Lukas Lamm
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View article: Polyconvex inelastic constitutive artificial neural networks
Polyconvex inelastic constitutive artificial neural networks Open
The characterization of the material behavior of inelastic materials requires a high degree of expert knowledge to identify and constitutively describe the material response. In addition, specific models are usually pre‐selected in the cou…
View article: Theory and implementation of inelastic Constitutive Artificial Neural Networks
Theory and implementation of inelastic Constitutive Artificial Neural Networks Open
The two fundamental concepts of materials theory, pseudo potentials and the assumption of a multiplicative decomposition, allow a general description of inelastic material behavior. The increase in computer performance enabled us to thorou…
View article: Theory and implementation of inelastic Constitutive Artificial Neural Networks: Source code and data
Theory and implementation of inelastic Constitutive Artificial Neural Networks: Source code and data Open
This dataset contains the source code of the inelastic Constitutive Artificial Neural Network (iCANN) as well as the data for the examples from the publication: Holthusen, H., Lamm, L., Brepols, T., Reese, S., & E. Kuhl. Theory and impleme…
View article: Theory and implementation of inelastic Constitutive Artificial Neural Networks: Source code and data
Theory and implementation of inelastic Constitutive Artificial Neural Networks: Source code and data Open
This dataset contains the source code of the inelastic Constitutive Artificial Neural Network (iCANN) as well as the data for the examples from the publication: Holthusen, H., Lamm, L., Brepols, T., Reese, S., & E. Kuhl. Theory and impleme…
View article: Modelling of damage and failure within polymeric adhesives
Modelling of damage and failure within polymeric adhesives Open
Within this contribution, we propose a fully thermo‐mechanical coupled isotropic damage model for polymeric adhesives under finite strains. This model is based on the multiplicative decomposition of the deformation gradient into mechanical…
View article: Mechanical modeling of the maturation process for tissue-engineered implants: application to biohybrid heart valves
Mechanical modeling of the maturation process for tissue-engineered implants: application to biohybrid heart valves Open
The development of tissue-engineered cardiovascular implants can improve the lives of large segments of our society who suffer from cardiovascular diseases. Regenerative tissues are fabricated using a process called tissue maturation. Furt…
View article: Mechanical modeling of the maturation process for textile reinforced tissue‐engineered heart valves
Mechanical modeling of the maturation process for textile reinforced tissue‐engineered heart valves Open
Biohybrid tissue‐engineered implants offer promising possibilities to treat cardiovascular diseases. The ability of tissue‐engineered implants to grow and remodel can be utilized to produce implants that can adapt to changes in the physiol…
View article: Modelling and simulation of time‐dependent damage and failure within silicone‐based, polymeric adhesives
Modelling and simulation of time‐dependent damage and failure within silicone‐based, polymeric adhesives Open
Hyperelastic adhesive joints are used successfully in many areas of industry. Besides all their inherent advantages, materials used for the construction of such bonds show a vast variety of non‐linear effects in their response to mechanica…
View article: A novel anisotropic stress‐driven model for bioengineered tissues accounting for remodeling and reorientation based on homeostatic surfaces
A novel anisotropic stress‐driven model for bioengineered tissues accounting for remodeling and reorientation based on homeostatic surfaces Open
A co‐rotated formulation of the intermediate configuration is derived in a thermodynamically consistent manner. As a result of this formulation, algorithmic differentiation (AD) and the equations of the material model can be combined direc…
View article: Macroscopic modelling of stress driven anisotropic growth in bioengineered tissues
Macroscopic modelling of stress driven anisotropic growth in bioengineered tissues Open
Within this contribution we present a new approach to macroscopically describe stress‐driven volumetric growth occurring in soft tissues. To overcome the limitations of an a‐priori prescribed structure of the growth tensor, the existence o…